#include<bits/stdc++.h>
using namespace std;
const int N=1e5+5;
int n;
int a[N];
int main(){
    freopen("duel.in","r",stdin);
	freopen("duel.out","w",stdout);
	scanf("%d",&n);
	for(int i=1;i<=n;i++){
        scanf("%d",&a[i]);
	}
	sort(a+1,a+n+1);
	int cnt=n;
	int p=1;
	for(int i=2;i<=n;i++){
        if(a[i]>a[p]){
            cnt--;
            p++;
        }
	}
	printf("%d",cnt);
    return 0;
}

